A meta-analysis of longitudinal studies was conducted to investigate stability and change in values across the life span. Both rank-order stability and mean-level change were investigated for all four different value categories. Results of rank-order stability indicated that values are rather stable individual differences and that this level of stability increases as individuals age and reaches the peak during the latter part of emerging adulthood. Values possess a level of continuity similar to those of vocational interests and are more stable than personality traits. Mean-level results showed that intrinsic and social values are involved in the greatest changes in different directions across the life span, while extrinsic and status values are relatively stable. Emerging adulthood is the time period when dramatic normative changes take place.